﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace RegOnline
{
    public partial class MainPage : UserControl
    {

        private MainViewModel ac = new MainViewModel();
        public MainViewModel Controller { get { return ac; } }
        public MainPage()
        {
            InitializeComponent();
            ac.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(ac_PropertyChanged);
            ac.UserLoaded +=new EventHandler(ac_UserLoaded);
        }

        void ac_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            if (e.PropertyName == "CurrentUser") ac_UserChanged(this, e);         
        }

        void ac_UserLoaded(object sender, EventArgs e)
        {
            TextBlockUserName.Text = "Вход выполнил(а) " + ac.User.Fio;
        }

        void ac_UserChanged(object sender, EventArgs e)
        {
            ac_UserLoaded(sender, e);
        }

        // After the Frame navigates, ensure the HyperlinkButton representing the current page is selected
        private void ContentFrame_Navigated(object sender, NavigationEventArgs e)
        {
            
            foreach (UIElement child in LinksStackPanel.Children)
            {
                HyperlinkButton hb = child as HyperlinkButton;
                if (hb != null && hb.NavigateUri != null)
                {
                    if (hb.NavigateUri.ToString().Equals(e.Uri.ToString()))
                    {
                        VisualStateManager.GoToState(hb, "ActiveLink", true);
                    }
                    else
                    {
                        VisualStateManager.GoToState(hb, "InactiveLink", true);
                    }
                }
            }
            

        }

        // If an error occurs during navigation, show an error window
        private void ContentFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            e.Handled = true;
            ChildWindow errorWin = new ErrorWindow(e.Uri);
            errorWin.Show();
        }
    }
}